Hair slide



B. POLAK HAIR SLIDE File d Nov. 42. 1935 Patented Jan. 19, 1937 I v v UNITED STATES PATENT OFFICE.

mm some Bohumil Poli'ik, Prague, Czechoslovakia, assignor to The Firm Grodetgky & Polak, Prague VIII,

Czecho-Slovakia Application November 12, 1935, Serial No. 49,379

In Czechoslovakia. May 2, 1935 2 Claims. (01. 132-31) This invention relates to a hair slide, which, degree of rigidity as possible even when thin as compared with the known' constructions, has material is employed. This cross-sectional prothe advantage that it is capable of holding tofile of the upper member of the clasp is chargether with fullsecurity a rather thick tress of acterized by the feature that the margins of the 5 hair. The invention consists in part in an apbottom 1 at first spring inwards, and only then 5 propriate profiling of the cross section of the are the walls 8 of the channel profile bent back. upper portion of the slide, which imparts ample This gives. rise to longitudinal ribs I3, which stiffness to the said upper portion. connect the bottom 1 with the indented walls 8',

In using hair slides the disadvantage is freand occasion the desired rigidity of the hair 10 quently experienced that single hairs remain slide.

hanging at the releasable connecting place be- As is to be seen from Figure 1, the end of the tween one end of the upper member and one upper member opposite the eye 9 is bent up and end of the lower member of the slide. Accordhas a cross section of an approximately closed ing to the invention, in order to eliminate this rounded profile, which, after passing an underinconvenience, the closure head integral with the cutting I 2, merges into an almost completely 15 upper member of the slide and co-operating with closed hollow ball Ii, this latter presenting a the bent or clip-like lower member is spherically smooth surface ll towards-the tress of hair held shaped. fast in the slide and exposing no point of slip- One form of construction of a hair slide acport forthe hairs to catch in. cording to the invention is illustrated'by way of In this manner the hair slide is not only example in the accompanying drawing. stiflened in its upper portion by the hollow 'rib-. Figure 1 is a side view of the open hair slide, like borders l3 of the bottom I but also stiffened the closure member of'which is shown in sec-' in its closure head. tional elevation at the left-hand end of the up- What I claim is: per member of the slide; 1 1. A hair slide, comprising an upper member Figure 2 is-a section on the line II in Figure of channel-shaped cross section with the free n edges of its side walls indented, and a lower Figure 3 a view offthe end of the upper memmember consisting of .two resiliently separable ,ber 01' the slide, looking in the direction of the limbs hinged at one end to one end of the upper arrow 3 in Figure 1. member, the upper member comprising a closure 30 v The slide illustrated in Figures 1 to 3 shows knob-in the form of a hollow ball formed by in a known manner a channel-shaped upper bending and pressing from the bottom' of the member pressed, out of sheet metal. having a upper member, at the end remote from the hinge, curved bottom I, and being toothed on the edges the surface of this b'all being smooth at the part 01 its walls 8. that comes into contact with the tress oi. hair 35 In the eye 9 bent up from the bottom I of the gripped by the hair slide, and the limbs of the upper member of theslide engage the bent ends lower member being adapted to yield resiliently of the limbs 01 the closure clip III, which forms near their free end so as toallow the knob to the lower'member oi the slide, so that the latter pass through between them, and then to engage 40 is hinged to the upper member. The limbs can round the junction of the knob with the re- 40 1 be resiliently forced apart at the free end of the mainder of the lower member so as to keep the closure clip ID, to enable them, when the slide hair slide closed. Y is being closed, to be pushed over the broader 2. In a hair slide comprising an upper memclosure knob ii, and then to snap into the 'underber of channel-shaped cross section and a lower cutting l2 of this head, as shown in Figure 3. member, the side walls of the upper member be- 45 The closure knob is produced by a suitable pressing indented along their free edges, the coming operation from the bent back bottom 'I of bination of the margins of the bottom of the the upper member 01' the clip. upper member springing inwards to form hollow 7 According to the invention the upper member rib-like edges stiffening the bottom of the upper oi. the slide is given a cross-sectional profile member.

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